diff --git a/apache-rat-core/src/main/java/org/apache/rat/analysis/matchers/SPDXMatcherFactory.java b/apache-rat-core/src/main/java/org/apache/rat/analysis/matchers/SPDXMatcherFactory.java
index 5b6962782..2fbd7985e 100644
--- a/apache-rat-core/src/main/java/org/apache/rat/analysis/matchers/SPDXMatcherFactory.java
+++ b/apache-rat-core/src/main/java/org/apache/rat/analysis/matchers/SPDXMatcherFactory.java
@@ -55,11 +55,13 @@ public class SPDXMatcherFactory {
      */
     public static final SPDXMatcherFactory INSTANCE = new SPDXMatcherFactory();
 
+    static final String LICENSE_IDENTIFIER = "SPDX-License-Identifier:";
+
     /**
      * The regular expression to locate the SPDX license identifier in the text
      * stream
      */
-    private static Pattern groupSelector = Pattern.compile(".*SPDX-License-Identifier:\\s([A-Za-z0-9\\.\\-]+)");
+    private static Pattern groupSelector = Pattern.compile(".*"+LICENSE_IDENTIFIER+"\\s([A-Za-z0-9\\.\\-]+)");
 
     /**
      * The last matcer to match the line.
@@ -103,21 +105,20 @@ public Match create(String spdxId) {
      * @return true if the caller matches the text.
      */
     private boolean check(String line, Match caller) {
-        // if the line has not been seen yet see if we can extract the SPDX id from the
-        // line.
-        // if so then see if that name has been registered. If so then we have a match
-        // and set
-        // lastMatch.
+        /*
+        If the line has not been seen yet see if we can extract the SPDX id from the line.
+        If so then see for each match extract and add the name to lastMatch
+        */
         if (!checked) {
             checked = true;
-            if (line.contains("SPDX-License-Identifier")) {
+            if (line.contains(LICENSE_IDENTIFIER)) {
                 Matcher matcher = groupSelector.matcher(line);
                 while (matcher.find()) {
                     lastMatch.add(matcher.group(1));
                 }
             }
         }
-        // see if the caller matches lastMatch.
+        // see if the caller is in the lastMatch.
         return lastMatch.contains(caller.spdxId);
     }
 
diff --git a/apache-rat-core/src/main/java/org/apache/rat/license/LicenseSetFactory.java b/apache-rat-core/src/main/java/org/apache/rat/license/LicenseSetFactory.java
index 87b3313cd..9321e32ad 100644
--- a/apache-rat-core/src/main/java/org/apache/rat/license/LicenseSetFactory.java
+++ b/apache-rat-core/src/main/java/org/apache/rat/license/LicenseSetFactory.java
@@ -77,7 +77,6 @@ public LicenseSetFactory(SortedSet<ILicense> licenses, Collection<String> approv
      * @return An empty sorted set of ILicense objects.
      */
     public static SortedSet<ILicense> emptyLicenseSet() {
-        //return new TreeSet<>((a,b) -> a.getLicenseFamily().compareTo(b.getLicenseFamily()));
         return new TreeSet<>();
     }
 
@@ -165,7 +164,6 @@ public SortedSet<String> getLicenseFamilyIds(LicenseFilter filter) {
      * @return the matching license or {@code null} if not found.
      */
     public static Optional<ILicense> search(String familyId, String licenseId, SortedSet<ILicense> licenses) {
-       // return licenses.stream().filter( l -> l.getId().equals(licenseId)).findFirst();
         ILicenseFamily searchFamily = ILicenseFamily.builder().setLicenseFamilyCategory(familyId)
                 .setLicenseFamilyName("searching proxy").build();
         ILicense target = new ILicense() {
diff --git a/apache-rat-core/src/test/java/org/apache/rat/analysis/matchers/SPDXMatcherTest.java b/apache-rat-core/src/test/java/org/apache/rat/analysis/matchers/SPDXMatcherTest.java
index f952103c9..66facc904 100644
--- a/apache-rat-core/src/test/java/org/apache/rat/analysis/matchers/SPDXMatcherTest.java
+++ b/apache-rat-core/src/test/java/org/apache/rat/analysis/matchers/SPDXMatcherTest.java
@@ -40,8 +40,8 @@ public void setup() {
     @Test
     public void testMatch() {
         StringBuilder sb = new StringBuilder()
-                .append("SPDX-License-Identifier: world").append(System.lineSeparator())
-                .append("SPDX-License-Identifier: hello").append(System.lineSeparator());
+                .append(SPDXMatcherFactory.LICENSE_IDENTIFIER).append(" world").append(System.lineSeparator())
+                .append(SPDXMatcherFactory.LICENSE_IDENTIFIER).append(" hello").append(System.lineSeparator());
 
         IHeaders headers =  AbstractMatcherTest.makeHeaders(sb.toString(),null);